Chanchi, G. E., L. F. Muñoz Sanabría, and L. M. Sierra Martínez. “Determination of the Level of User Perception through Sentiment Analysis Studies in the Context of Marketing”. INGE CUC, vol. 18, no. 2, Nov. 2022, pp. 238-4, doi:10.17981/ingecuc.18.2.2022.19.